Transorbital Sonographic Monitoring of Optic Nerve Diameter in Patients With Severe Brain Injury - Karakitsos, D.; Soldatos, T.; Gouliamos, A.; Armaganidis, A.; Poularas, J.; Kalogeromitros, A.; Boletis, J.; Kostakis, A.; Karabinis, A. (Transplantation Proceedings, 2006)